From: Victor Stinner <victor.stinner@gmail.com>
Date: Fri, 9 Oct 2015 01:37:11 +0000 (+0200)
Subject: Issue #25318: Fix backslashreplace()
X-Git-Tag: v3.6.0a1~1294
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3fa36ff5e4991550e31cc7ab55dc3a2165c2ffa3;p=thirdparty%2FPython%2Fcpython.git

Issue #25318: Fix backslashreplace()

Fix code to estimate the needed space.
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index 10cdcc0ec001..a3bbf9261f95 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -590,7 +590,7 @@ backslashreplace(_PyBytesWriter *writer, Py_ssize_t prealloc_per_char,
             incr = 2+4;
         else {
             assert(ch <= MAX_UNICODE);
-            incr = 2+6;
+            incr = 2+8;
         }
         if (size > PY_SSIZE_T_MAX - incr) {
             PyErr_SetString(PyExc_OverflowError,